110222121221220 has 96 divisors (see below), whose sum is σ = 313719696654336. Its totient is φ = 28907182886400.

The previous prime is 110222121221183. The next prime is 110222121221231. The reversal of 110222121221220 is 22122121222011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28140742 + ... + 31817378.

It is an arithmetic number, because the mean of its divisors is an integer number (3267913506816).

Almost surely, 2^{110222121221220} is an apocalyptic number.

110222121221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110222121221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156859848327168).

110222121221220 is an abundant number, since it is smaller than the sum of its proper divisors (203497575433116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110222121221220 is a wasteful number, since it uses less digits than its factorization.

110222121221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684901 (or 3684899 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 110222121221220 its reverse (22122121222011), we get a palindrome (132344242443231).

The spelling of 110222121221220 in words is "one hundred ten trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty".